PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-01:27:40
G01     92.5           31.3                5.9 +/-    1.25      10.1 +/-    1.25  0.040 / 0.050
G07     123.5          47.5                7.1 +/-    0.64       9.3 +/-    0.64  0.040 / 0.060
G08     42.3           10.9                4.3 +/-    1.16      11.9 +/-    1.16  0.040 / 0.060
G11     73.9           41.8                4.5 +/-    1.40       6.3 +/-    1.40  0.040 / 0.050
G13     297.7          34.7                2.4 +/-    3.99       3.8 +/-    3.99  0.270 / 0.330
G17     213.5          50.3                6.4 +/-    0.51       8.0 +/-    0.51  0.110 / 0.350
G19     213.7          25.7                5.9 +/-    1.83      11.3 +/-    1.83  0.070 / 0.100
G28     346.6          61.8                3.4 +/-    0.26       3.8 +/-    0.26  0.080 / 0.100
G30     105.0          73.1                5.9 +/-    0.93       6.1 +/-    0.93  0.110 / 0.120